654161492 has 12 divisors (see below), whose sum is σ = 1194555936. Its totient is φ = 312859800.

The previous prime is 654161489. The next prime is 654161509. The reversal of 654161492 is 294161456.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3555134 + ... + 3555317.

It is an arithmetic number, because the mean of its divisors is an integer number (99546328).

Almost surely, 2^654161492 is an apocalyptic number.

It is an amenable number.

654161492 is a deficient number, since it is larger than the sum of its proper divisors (540394444).

654161492 is a wasteful number, since it uses less digits than its factorization.

654161492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7110478 (or 7110476 counting only the distinct ones).

The product of its digits is 51840, while the sum is 38.

The square root of 654161492 is about 25576.5809286542. The cubic root of 654161492 is about 868.0838136769.

The spelling of 654161492 in words is "six hundred fifty-four million, one hundred sixty-one thousand, four hundred ninety-two".